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Certain Significant Estimates (Details Textual)	12 Months Ended
	Dec. 27, 2014
Noncompete Agreements [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member] | Customer Lists [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	13 years
Maximum [Member] | Patents [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Minimum [Member] | Customer Lists [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Minimum [Member] | Patents [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Details

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X

- Details

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Period Type:

X

- Details

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X

- Details

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